Re: Performance Related Question

2013-02-28 Thread Frederico Costa
Hi... And thanks for the suggestions. I have now tested with -j option and i can confirm that my expectations are correct the Dual CPU dual core AMD completes the buildworld with -j4 in one hour only, while the intal core 2 does it in 1h30m should i stick the -j option in the make.conf?

Re: Performance Related Question

2013-02-28 Thread Lowell Gilbert
Frederico Costa fredpo...@mufley.com writes: And thanks for the suggestions. I have now tested with -j option and i can confirm that my expectations are correct the Dual CPU dual core AMD completes the buildworld with -j4 in one hour only, while the intal core 2 does it in 1h30m The ideal

Performance Related Question

2013-02-27 Thread Frederico Costa
Hi everyone... I have a kind of interesting question when comes to performance of FreeBSD in different HW. i am not trying to come up with a scientific reason for measuring performance. :-) It is just a curiosity, and of course to see if i understand it and improve performance of my systems. i

Re: Performance Related Question

2013-02-27 Thread Michael Ross
On Wed, 27 Feb 2013 23:05:44 +0100, Frederico Costa fredpo...@mufley.com wrote: Hi everyone... I have a kind of interesting question when comes to performance of FreeBSD in different HW. i am not trying to come up with a scientific reason for measuring performance. :-) It is just a

Re: Performance Related Question

2013-02-27 Thread Frederico Costa
On 2013-02-27 22:27, Michael Ross wrote: If I read you right, you didn't ``make -jX buildworld'', with X being the number of processes to spawn, so you used just one core on either machine. Buildworld does a lot of I/O, so disk speed is relevant. Yes, i just made make buildworld. So i should

Re: Performance Related Question

2013-02-27 Thread Michael Ross
On Wed, 27 Feb 2013 23:38:34 +0100, Frederico Costa fredpo...@mufley.com wrote: On 2013-02-27 22:27, Michael Ross wrote: If I read you right, you didn't ``make -jX buildworld'', with X being the number of processes to spawn, so you used just one core on either machine. Buildworld does a lot

Re: Performance Related Question

2013-02-27 Thread Warren Block
On Wed, 27 Feb 2013, Frederico Costa wrote: On 2013-02-27 22:27, Michael Ross wrote: If I read you right, you didn't ``make -jX buildworld'', with X being the number of processes to spawn, so you used just one core on either machine. Buildworld does a lot of I/O, so disk speed is relevant.

Re: Performance Related Question

2013-02-27 Thread Joshua Isom
On 2/27/2013 4:53 PM, Michael Ross wrote: On a multi-CPU machine using an SMP configured kernel, try values between 6 and 10 and see how they speed things up. But you also do need to consider memory usage. On the areas of buildworld that are CPU intensive, they can also be memory